<style>
    .headBar{
        display: flex;
        width: 100%;
        height: 100px;
        line-height: 100px;
        align-items: center;
    }
    .headBar .white-space{
        flex-grow: 1;
    }
</style>
<header class="bancen" id="vip">
    <div class="headBar">
        <img src="./static/logo.png" width="160">
        <div class="white-space"></div>
        <img src="./static/promise.jpg" width="303">
    </div>
</header>
<script>

</script>